. >> the pentagon inspector general is now investigating now general john allen. top american commander in afghanistan. fbi has uncover between 20,000 and 30,000 documents. mostly e-mails sent between allen and this woman, jill kelley. a senior defense official tells msnbc that the e-mails were inappropriate. kelley was the target of paula broad we'll's e-mails. the associated press that broadwell thought of kelley as a romantic rival for petraeus affection. he was supposed to start the process this week to be the next commander of american forces in europe and supreme allied commander of nato, allen will remain commander in afghanistan. . >>> i don't even know where to begin. how does this happen? >> well, i don't know it happens. particularly in the digital age. the idea that people think that if you have thousands of e-mails that they're not going to be picked up and found out it's sort of amazing. what's most disturbing, this is a terrible time from a foreign policy standpoint to have petraeus out. scandals that are taking key players out of afghanistan, syria